Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.